Home / 1,802,745.17-2,487,788.89-987,000.66

Finding the Fourth Proportional to 1,802,745.17, 2,487,788.89 and 987,000.66

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Solution

The fourth proportional to 1,802,745.17, 2,487,788.89 and 987,000.66 is: 1,362,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,745.17 : 2,487,788.89 = 987,000.66 : x
  2. Step 2: Convert to fraction form
    1,802,745.17/2,487,788.89 = 987,000.66/x
  3. Step 3: Cross multiply
    1,802,745.17x = 2,487,788.89 × 987,000.66
  4. Step 4: Simplify right side
    1,802,745.17x = 2,455,449,276,370.67
  5. Step 5: Solve for x
    x = 2,455,449,276,370.67/1,802,745.17
  6. Step 6: Final answer
    x = 1,362,061.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.